“Multiple RGB Images Security Based on Substitution–Permutation Network over the Residue Classes of Eisenstein Integer Z[Ω]π”.
European Journal of Pure and Applied Mathematics 18, no. 3 (August 1, 2025): 6470. Accessed December 5, 2025.
https://www.ejpam.com/index.php/ejpam/article/view/6470.